
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block
}

body {
    line-height: 1
}

ol, ul {
    list-style: none
}

blockquote, q {
    quotes: none
}

blockquote:before, blockquote:after, q:before, q:after {
    content: '';
    content: none
}

table {
    border-collapse: collapse;
    border-spacing: 0
}


@charset "UTF-8";
/* 重置*/
*, *:before, *:after {
    box-sizing: border-box;
}

/*容器设置*/
#container {
    counter-reset: counterA;
}

/*布局实现*/
div.row {
    position: relative;
    width: 100%;
    /*height: 20vw;*/
    padding-left: 15vw;
    counter-increment: counterA;
    /*设置背景色，随机颜色*/
}

div.row:before {
    content: counter(counterA);
    color: rgba(255, 255, 255, 0.05);
    font-size: 10vw;
    position: absolute;
    left: 0;
}

div.row label {
    position: relative;
    display: block;
    float: left;
    margin: 4vw 2vw;
}

div.row label input {
    width: 160px;
    height: 30px;
    line-height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    outline: none;
    border: 1px solid #fff;
    color: #377D6A;
    padding: 4px 10px;
    border-radius: 4px;
    text-indent: 38px;
    transition: all .3s ease-in-out;
}

div.row label input ::-webkit-input-placeholder {
    color: transparent;
}

div.row label input + span {
    position: absolute;
    left: 0;
    top: 0;
    color: #fff;
    background: #7AB893;
    display: inline-block;
    padding: 7px 4px;
    transform-origin: left center;
    transform: perspective(300px);
    transition: all .3s ease-in-out;
    border-radius: 4px 0 0 4px;
}

div.row label input:focus,
div.row label input:active {
    text-indent: 0;
    background: rgba(255, 255, 255, 0.2);
}

div.row label input:focus ::-webkit-input-placeholder,
div.row label input:active ::-webkit-input-placeholder {
    color: #f00;
}

div.row label input:focus + span,
div.row label input:active + span {
    background: #478560;
}

div.row:nth-child(1) {
    background: #7a371f;
}

div.row:nth-child(2) {
    background: #7a371f;
}

div.row:nth-child(3) {
    background: #1f537a;
}

div.row:nth-child(4) {
    background: #507a1f;
}

div.row:nth-child(5) {
    background: #7a461f;
}

div.row:nth-child(6) {
    background: #1f687a;
}

div.row:nth-child(7) {
    background: #1f7a40;
}

div.row:nth-child(8) {
    background: #6d7a1f;
}

div.row:nth-child(9) {
    background: #1f6e7a;
}

div.row:nth-child(10) {
    background: #567a1f;
}

div.row:nth-child(11) {
    background: #1f2e7a;
}

div.row:nth-child(12) {
    background: #7a371f;
}

div.row:nth-child(13) {
    background: #1f327a;
}

div.row:nth-child(14) {
    background: #671f7a;
}

div.row:nth-child(15) {
    background: #591f7a;
}

div.row:nth-child(1) input:focus,
div.row:nth-child(1) input:active {
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(1) input:focus + span,
div.row:nth-child(1) input:active + span {
    border-radius: 4px 0 0 4px;
    transform: translateX(-100%);
}

div.row:nth-child(2) input:focus + span,
div.row:nth-child(2) input:active + span {
    border-radius: 0 4px 4px 0;
    transform: translateX(300%);
}

div.row:nth-child(3) input:focus,
div.row:nth-child(3) input:active {
    text-indent: 0;
}

div.row:nth-child(3) input:focus + span,
div.row:nth-child(3) input:active + span {
    background-color: transparent;
    transform: translateY(-100%);
}

div.row:nth-child(4) input:focus,
div.row:nth-child(4) input:active {
    text-indent: 0px;
}

div.row:nth-child(4) input:focus + span,
div.row:nth-child(4) input:active + span {
    background-color: transparent;
    transform: translateY(100%);
}

div.row:nth-child(5) input + span {
    transform-origin: left bottom;
}

div.row:nth-child(5) input:focus,
div.row:nth-child(5) input:active {
    border-radius: 0 4px 4px 0;
    text-indent: 20px;
}

div.row:nth-child(5) input:focus + span,
div.row:nth-child(5) input:active + span {
    transform: rotate(-60deg);
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(6) input + span {
    transform-origin: left bottom;
}

div.row:nth-child(6) input:focus,
div.row:nth-child(6) input:active {
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(6) input:focus + span,
div.row:nth-child(6) input:active + span {
    animation: swing 1s;
    animation-fill-mode: forwards;
    border-radius: 0 4px 4px 0;
}

@keyframes swing {
    0% {
        transform: rotate(0);
    }
    20% {
        transform: rotate(116deg);
    }
    40% {
        transform: rotate(60deg);
    }
    60% {
        transform: rotate(98deg);
    }
    80% {
        transform: rotate(76deg);
    }
    100% {
        transform: rotate(82deg);
    }
}

div.row:nth-child(7) input + span {
    transform-origin: right center;
}

div.row:nth-child(7) input:focus,
div.row:nth-child(7) input:active {
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(7) input:focus + span,
div.row:nth-child(7) input:active + span {
    transform: perspective(300px) translateX(-100%) rotateY(60deg);
}

div.row:nth-child(8) input:focus,
div.row:nth-child(8) input:active {
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(8) input:focus + span,
div.row:nth-child(8) input:active + span {
    transform: rotateY(180deg);
    border-radius: 0 4px 4px 0;
}

div.row:nth-child(9) input + span {
    background: transparent;
}

div.row:nth-child(9) input + span:before {
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    left: 20px;
    bottom: -10px;
    border: 5px solid #000;
    border-color: #478560 transparent transparent transparent;
    transition: all .3s;
    opacity: 0;
}

div.row:nth-child(9) input:focus + span,
div.row:nth-child(9) input:active + span {
    padding: 3px 10px;
    border-radius: 6px;
    transform: translateY(-150%);
}

div.row:nth-child(9) input:focus + span:before,
div.row:nth-child(9) input:active + span:before {
    opacity: 1;
}

div.row:nth-child(10) input {
    border-width: 1px 0;
    border-radius: 0;
}

div.row:nth-child(10) input + span {
    background: transparent;
}

div.row:nth-child(10) input:focus,
div.row:nth-child(10) input:active {
    border-width: 2px 0;
    border-color: #000;
}

div.row:nth-child(10) input:focus + span,
div.row:nth-child(10) input:active + span {
    background: transparent;
    transform: translateY(-120%);
}

div.row:nth-child(11) input {
    border-radius: 0;
    border-width: 1px 0;
}

div.row:nth-child(11) input + span {
    background: transparent;
}

div.row:nth-child(11) input:focus + span,
div.row:nth-child(11) input:active + span {
    background: transparent;
    border: 1px solid #fff;
    border-radius: 0;
    border-width: 0 0 0 1px;
    animation: halfLeft .6s ease-in;
    animation-fill-mode: forwards;
}

@keyframes halfLeft {
    20% {
        transform: translateX(-60%);
    }
    40% {
        transform: translateX(-42%);
    }
    60% {
        transform: translateX(-56%);
    }
    80% {
        transform: translateX(-46%);
    }
    100% {
        transform: translateX(-50%);
    }
}

div.row:nth-child(12) input {
    border-radius: 0;
    border-width: 0;
    background: transparent;
}

div.row:nth-child(12) input + span {
    background: transparent;
}

div.row:nth-child(12) input + span:before {
    content: "";
    width: 160px;
    height: 1px;
    background-color: #fff;
    position: absolute;
    left: 0;
    bottom: 0;
}

div.row:nth-child(12) input:focus + span,
div.row:nth-child(12) input:active + span {
    background: transparent;
    transform: translateY(-100%);
}

div.row:nth-child(13) input {
    border-radius: 0;
    border: 1px solid #fff;
    border-top-color: rgba(255, 255, 255, 0);
    border-right-color: rgba(255, 255, 255, 0);
    border-bottom-color: white;
    border-left-color: rgba(255, 255, 255, 0);
    background: transparent;
}

div.row:nth-child(13) input + span {
    background: transparent;
}

div.row:nth-child(13) input:focus,
div.row:nth-child(13) input:active {
    transition: none;
    animation: borderAnim 3s;
    animation-fill-mode: forward;
    border: 1px solid #fff;
}

div.row:nth-child(13) input:focus + span,
div.row:nth-child(13) input:active + span {
    background: transparent;
    transform: translateY(-100%);
}

@keyframes borderAnim {
    25% {
        border-top-color: rgba(255, 255, 255, 0);
        border-right-color: white;
        border-bottom-color: white;
        border-left-color: rgba(255, 255, 255, 0);
    }
    50% {
        border-top-color: white;
        border-right-color: white;
        border-bottom-color: white;
        border-left-color: rgba(255, 255, 255, 0);
    }
    75% {
        border-top-color: white;
        border-right-color: white;
        border-bottom-color: white;
        border-left-color: white;
    }
}

div.row:nth-child(14) input {
    border-radius: 0;
    border: 1px solid #fff;
    transform-origin: left center;
    color: #fff;
}

div.row:nth-child(14) input + span {
    background: transparent;
}

div.row:nth-child(14) input:focus,
div.row:nth-child(14) input:active {
    transform: scale(1.2);
    box-shadow: 0px 0px 2px #000;
    color: #fff;
    border: 2px solid #fff;
}

div.row:nth-child(14) input:focus + span,
div.row:nth-child(14) input:active + span {
    background: transparent;
    transform: translateY(-100%) scale(0.8);
}

div.row:nth-child(15) input {
    border-radius: 0;
    border: 1px solid #fff;
    background-color: #026873;
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.07) 50%, transparent 50%), linear-gradient(90deg, rgba(255, 255, 255, 0.13) 50%, transparent 50%), linear-gradient(90deg, transparent 50%, rgba(255, 255, 255, 0.17) 50%), linear-gradient(90deg, transparent 50%, rgba(255, 255, 255, 0.19) 50%);
    background-size: 13px, 29px, 37px, 53px;
    animation: shadowGo 10s linear infinite;
    animation-play-state: running;
}

div.row:nth-child(15) input + span {
    background: transparent;
}

div.row:nth-child(15) input:focus,
div.row:nth-child(15) input:active {
    background-color: #137884;
    background-size: 13px, 29px, 37px, 53px;
    animation-play-state: paused;
}

div.row:nth-child(15) input:focus + span,
div.row:nth-child(15) input:active + span {
    transform: translateY(-100%) scale(0.8);
    background: transparent;
    color: #137884;
}

@keyframes shadowGo {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: -600% 0%;
    }
}